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In the System Target File (STF) of RTAI, the basic RTW default settings are adopted.
The first step is to use the "set rt ext index()" function provided by RTAI to write the code that controls the DAQ card into the real-time kernel of RTAI.
Performance characteristics of Linux RTAI based systems
To improve system performances and for adding real-time support RTAI extension was taken in consideration .
RTAI was built as additional part for Linux and can be executed both in kernel mode as well as user space.
Since RTAI does not provide hardware support for the new ARM920T based chips integrated by Cirrus Logic we decided to use the Adeos Patch file for 2.4.26 kernel provided by Technologic Systems that came with the TS 7300 test board.
For maximum efficiency, we used RTAI as a kernel module and for that reason test programs were compiled also as kernel space modules.
By using this, one may benefit from the high level services offered by Linux, file systems, MMU, software tools, as well as the real time performance that comes with RTAI. As a future work, we will try to add some new improvements to real-time system performance using cache locking mechanisms.
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- RTA I
- RTA, classic type
- RTA, distal type, autosomal dominant
- RTA, gradient type
- RTA, proximal, autosomal recessive
- RTARF HQ